diff --git a/be/src/olap/rowset/segcompaction.cpp b/be/src/olap/rowset/segcompaction.cpp
index 0109d7bc48fe2c..0df56425d46b7a 100644
--- a/be/src/olap/rowset/segcompaction.cpp
+++ b/be/src/olap/rowset/segcompaction.cpp
@@ -65,6 +65,8 @@
 namespace doris {
 using namespace ErrorCode;
 
+SegcompactionWorker::SegcompactionWorker(BetaRowsetWriter* writer) : _writer(writer) {}
+
 Status SegcompactionWorker::_get_segcompaction_reader(
         SegCompactionCandidatesSharedPtr segments, TabletSharedPtr tablet,
         std::shared_ptr<Schema> schema, OlapReaderStatistics* stat,
@@ -149,8 +151,8 @@ Status SegcompactionWorker::_delete_original_segments(uint32_t begin, uint32_t e
 }
 
 Status SegcompactionWorker::_check_correctness(OlapReaderStatistics& reader_stat,
-                                               Merger::Statistics& merger_stat, uint64_t begin,
-                                               uint64_t end) {
+                                               Merger::Statistics& merger_stat, uint32_t begin,
+                                               uint32_t end) {
     uint64_t raw_rows_read = reader_stat.raw_rows_read; /* total rows read before merge */
     uint64_t sum_src_row = 0; /* sum of rows in each involved source segments */
     uint64_t filtered_rows = merger_stat.filtered_rows; /* rows filtered by del conditions */
@@ -186,7 +188,7 @@ Status SegcompactionWorker::_check_correctness(OlapReaderStatistics& reader_stat
 }
 
 Status SegcompactionWorker::_create_segment_writer_for_segcompaction(
-        std::unique_ptr<segment_v2::SegmentWriter>* writer, uint64_t begin, uint64_t end) {
+        std::unique_ptr<segment_v2::SegmentWriter>* writer, uint32_t begin, uint32_t end) {
     return _writer->_create_segment_writer_for_segcompaction(writer, begin, end);
 }
 
diff --git a/be/src/olap/rowset/segcompaction.h b/be/src/olap/rowset/segcompaction.h
index 7111db5d8321c2..1c314ba2a9bca6 100644
--- a/be/src/olap/rowset/segcompaction.h
+++ b/be/src/olap/rowset/segcompaction.h
@@ -48,7 +48,7 @@ class SegcompactionWorker {
     friend class BetaRowsetWriter;
 
 public:
-    SegcompactionWorker(BetaRowsetWriter* writer) { _writer = writer; }
+    SegcompactionWorker(BetaRowsetWriter* writer);
 
     void compact_segments(SegCompactionCandidatesSharedPtr segments);
 
@@ -59,7 +59,7 @@ class SegcompactionWorker {
 
 private:
     Status _create_segment_writer_for_segcompaction(
-            std::unique_ptr<segment_v2::SegmentWriter>* writer, uint64_t begin, uint64_t end);
+            std::unique_ptr<segment_v2::SegmentWriter>* writer, uint32_t begin, uint32_t end);
     Status _get_segcompaction_reader(SegCompactionCandidatesSharedPtr segments,
                                      TabletSharedPtr tablet, std::shared_ptr<Schema> schema,
                                      OlapReaderStatistics* stat,
@@ -70,7 +70,7 @@ class SegcompactionWorker {
                                                                             uint32_t end);
     Status _delete_original_segments(uint32_t begin, uint32_t end);
     Status _check_correctness(OlapReaderStatistics& reader_stat, Merger::Statistics& merger_stat,
-                              uint64_t begin, uint64_t end);
+                              uint32_t begin, uint32_t end);
     Status _do_compact_segments(SegCompactionCandidatesSharedPtr segments);
 
 private: